The film is set in 326 B.C. when Alexander the Great aka Sikander (Dara Singh) having conquered Persia and the Kabul valley descends to the Indian Border at Jhelum. King Porus (Prithviraj Kapoor) stops the advance with his troops. Sikander ignores his teacher Aristotle's advice and falls for a Persian woman Rukhsana (Helen).Fearing for Sikander's life she extracts a promise from Porus that he will not harm Sikander. In the battle with the Macedonian army Porus loses his son and is captured. An elaborate verbal duel follows in court when Porus is brought before Sikander. Impressed by Porus's valor, the two kings become friends. Sikander lets Porus go and withdraws from the Jhelum.